Some links to relevant research on web sensor networks
that you might find useful.

The OpenGIS Consortium (OGC) description of
their SensorWebTM initiative is
here.

A description of the Sensor Modelling Language SensorML
maintained by Michael Botts, Principal Research Scientist
at the University of Alabama in Huntsville, Earth System
Science Center, is
here.

A link to upcoming conferences and workshops in the wireless
sensor network area, provided by Bhaskar Krishnamachari,
professor in Electrical Engineering at the University of
Southern California, Los Angeles,
is
here.

Interested in what types of sensors are available? The IEEE
Sensors 2005 conference (link to it
here)
has papers referring to many sensor types, including nanostructured,
magnetic, flow, environmental, acoustic, chemical, gas, wireless,
thermal and
optical sensors, with an "electronic nose" session as well. The
IEEE Sensors 2006 conference (held in Korea) is
here.

A bibliography of papers in the area of wireless
sensor networks, organized in nine different topic areas, and
provided by Bhaskar Krishnamachari,
is
here.

An interesting collection of papers and articles on
wireless sensor networks authored (or coauthored) by Joe
Polastre
is
here.